2891838105

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{549257}}^1$

素因数の和:549287

約数の個数: 40

約数和(自身を含む): 5582658312

約数和(自身を除く): 2690820207

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 549257, 1647771, 2746285, 4943313, 7140341, 8238855, 14829939, 21421023, 24716565, 35701705, 44489817, 64263069, 74149695, 107105115, 192789207, 222449085, 321315345, 578367621, 963946035, 2891838105]

約数ペア:

[(1, 2891838105), (3, 963946035), (5, 578367621), (9, 321315345), (13, 222449085), (15, 192789207), (27, 107105115), (39, 74149695), (45, 64263069), (65, 44489817), (81, 35701705), (117, 24716565), (135, 21421023), (195, 14829939), (351, 8238855), (405, 7140341), (585, 4943313), (1053, 2746285), (1755, 1647771), (5265, 549257)]